Holley In-Line Fuel Pulse Damper - 40-70 psi - 8 AN Female O-Ring Inlet / Outlet - Black 12-1006 EBCDP61657 5% (1/2 of 1%)

5% (1/2 of 1%)

Ford Fullsize Truck 1987-91

1974-1988 Jeep J10

Available in several pipe and AN sizes to fit most applications

Holley In-Line Fuel Pulse Damper - 40-70 psi - 8 AN Female O-Ring Inlet / Outlet - Black 12-1006 EBCDP61657 5% (1/2 of 1%)Holley In Line Fuel Pulse Damper 40 70 psi 8 AN Female O Ring Inlet Outlet Black Fuel pulse dampers act in tandem with the fuel pressure regulator to further control the fuel pressure in an EFI system. They act to smooth out the pressure pulsations caused by the injectors opening and closing as well as the fuel pump operating. These pulsations happen so quickly that in many cases they can't be identified with an analog gauge but can cause issues with